#8005: powers of elements in a QuotientRing
---------------------------+------------------------------------------------
Reporter: wjp | Owner: AlexGhitza
Type: defect | Status: positive_review
Priority: major | Milestone: sage-duplicate/invalid/wontfix
Component: algebra | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Christian Nassau
Authors: | Merged in:
Dependencies: | Stopgaps:
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Changes (by cnassau):
* status: needs_review => positive_review
* reviewer: => Christian Nassau
Comment:
This is with Sage 5.7beta0 where everything seems to work as expected:
{{{
sage: F = GF(5)
sage: R.<x,y>=F[]
sage: I=Ideal(R, [x, y])
sage: S.<x1,y1>=QuotientRing(R,I)
sage: print x1^2
0
sage: print (x1^2)^2
0
sage: print x1^4
0
sage: print x1
0
sage: S
Quotient of Multivariate Polynomial Ring in x, y over Finite Field of size
5 by the ideal (x, y)
}}}
I wouldn't know how to create a meaningful doctest for this problem, so
I'm giving the 'wontfix' a positive review.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8005#comment:2>
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